Mary of Teck's engagement to Prince Albert Victor, Duke of Clarence and Avondale, eldest son of the Prince of Wales, ended after the duke's death on 14 January 1892.
The preceding conversation:

 Person A) When did Prince George, Duke of York, and Princess Mary of Teck marry?;
 Person B) Wedding of Prince George, Duke of York, and Princess Mary of Teck The wedding of Prince George, Duke of York, and Princess Mary of Teck took place on 6 July 1893 at the Chapel Royal, St. James's Palace in London.;
 Person A) Was Mary of Teck previously married?;
 Person B) 